unit TestVBMain;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs,ComObj, StdCtrls;

type
  TFormMain = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FormMain: TFormMain;

implementation

{$R *.dfm}

procedure TFormMain.Button1Click(Sender: TObject);
var
  Obj : OleVariant;
begin
  Obj := CreateOleObject('HisPlus.PlusFunc');

  Obj.DoPlusAction('aaa','bbb');
end;

end.
